1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2013 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Georg Richter <georg@mysql.com> |
| Andrey Hristov <andrey@mysql.com> |
| Ulf Wendel <uwendel@mysql.com> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include "php_globals.h"
#include "mysqlnd.h"
#include "mysqlnd_wireprotocol.h"
#include "mysqlnd_priv.h"
#include "mysqlnd_debug.h"
#define ALLOC_CALLBACK_ARGS(a, b, c)\
if (c) {\
a = (zval ***)safe_emalloc(c, sizeof(zval **), 0);\
for (i = b; i < c; i++) {\
a[i] = mnd_emalloc(sizeof(zval *));\
MAKE_STD_ZVAL(*a[i]);\
}\
}
#define FREE_CALLBACK_ARGS(a, b, c)\
if (a) {\
for (i = b; i < c; i++) {\
zval_ptr_dtor(a[i]);\
mnd_efree(a[i]);\
}\
mnd_efree(a);\
}
/* {{{ mysqlnd_local_infile_init */
static
int mysqlnd_local_infile_init(void **ptr, char *filename, void **userdata TSRMLS_DC)
{
MYSQLND_INFILE_INFO *info;
php_stream_context *context = NULL;
DBG_ENTER("mysqlnd_local_infile_init");
info = ((MYSQLND_INFILE_INFO *)mnd_ecalloc(1, sizeof(MYSQLND_INFILE_INFO)));
if (!info) {
DBG_RETURN(1);
}
*ptr = info;
/* check open_basedir */
if (PG(open_basedir)) {
if (php_check_open_basedir_ex(filename, 0 TSRMLS_CC) == -1) {
strcpy(info->error_msg, "open_basedir restriction in effect. Unable to open file");
info->error_no = CR_UNKNOWN_ERROR;
DBG_RETURN(1);
}
}
info->filename = filename;
info->fd = php_stream_open_wrapper_ex((char *)filename, "r", 0, NULL, context);
if (info->fd == NULL) {
snprintf((char *)info->error_msg, sizeof(info->error_msg), "Can't find file '%-.64s'.", filename);
info->error_no = MYSQLND_EE_FILENOTFOUND;
DBG_RETURN(1);
}
DBG_RETURN(0);
}
/* }}} */
/* {{{ mysqlnd_local_infile_read */
static
int mysqlnd_local_infile_read(void *ptr, char *buf, unsigned int buf_len TSRMLS_DC)
{
MYSQLND_INFILE_INFO *info = (MYSQLND_INFILE_INFO *)ptr;
int count;
DBG_ENTER("mysqlnd_local_infile_read");
count = (int)php_stream_read(info->fd, buf, buf_len);
if (count < 0) {
strcpy(info->error_msg, "Error reading file");
info->error_no = CR_UNKNOWN_ERROR;
}
DBG_RETURN(count);
}
/* }}} */
/* {{{ mysqlnd_local_infile_error */
static
int mysqlnd_local_infile_error(void *ptr, char *error_buf, unsigned int error_buf_len TSRMLS_DC)
{
MYSQLND_INFILE_INFO *info = (MYSQLND_INFILE_INFO *)ptr;
DBG_ENTER("mysqlnd_local_infile_error");
if (info) {
strlcpy(error_buf, info->error_msg, error_buf_len);
DBG_INF_FMT("have info, %d", info->error_no);
DBG_RETURN(info->error_no);
}
strlcpy(error_buf, "Unknown error", error_buf_len);
DBG_INF_FMT("no info, %d", CR_UNKNOWN_ERROR);
DBG_RETURN(CR_UNKNOWN_ERROR);
}
/* }}} */
/* {{{ mysqlnd_local_infile_end */
static
void mysqlnd_local_infile_end(void *ptr TSRMLS_DC)
{
MYSQLND_INFILE_INFO *info = (MYSQLND_INFILE_INFO *)ptr;
if (info) {
/* php_stream_close segfaults on NULL */
if (info->fd) {
php_stream_close(info->fd);
info->fd = NULL;
}
mnd_efree(info);
}
}
/* }}} */
/* {{{ mysqlnd_local_infile_default */
PHPAPI void mysqlnd_local_infile_default(MYSQLND *conn)
{
conn->infile.local_infile_init = mysqlnd_local_infile_init;
conn->infile.local_infile_read = mysqlnd_local_infile_read;
conn->infile.local_infile_error = mysqlnd_local_infile_error;
conn->infile.local_infile_end = mysqlnd_local_infile_end;
}
/* }}} */
/* {{{ mysqlnd_set_local_infile_handler */
PHPAPI void mysqlnd_set_local_infile_handler(MYSQLND * const conn, const char * const funcname)
{
if (!conn->infile.callback) {
MAKE_STD_ZVAL(conn->infile.callback);
} else {
zval_dtor(conn->infile.callback);
}
ZVAL_STRING(conn->infile.callback, (char*) funcname, 1);
}
/* }}} */
static const char *lost_conn = "Lost connection to MySQL server during LOAD DATA of local file";
/* {{{ mysqlnd_handle_local_infile */
enum_func_status
mysqlnd_handle_local_infile(MYSQLND *conn, const char *filename, zend_bool *is_warning TSRMLS_DC)
{
char *buf = NULL;
char empty_packet[MYSQLND_HEADER_SIZE];
enum_func_status result = FAIL;
unsigned int buflen = 4096;
void *info = NULL;
int bufsize;
size_t ret;
MYSQLND_INFILE infile;
DBG_ENTER("mysqlnd_handle_local_infile");
if (!(conn->options.flags & CLIENT_LOCAL_FILES)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "LOAD DATA LOCAL INFILE forbidden");
/* write empty packet to server */
ret = conn->net->m.send(conn, empty_packet, 0 TSRMLS_CC);
*is_warning = TRUE;
goto infile_error;
}
infile = conn->infile;
/* allocate buffer for reading data */
buf = (char *)mnd_ecalloc(1, buflen);
*is_warning = FALSE;
/* init handler: allocate read buffer and open file */
if (infile.local_infile_init(&info, (char *)filename, conn->infile.userdata TSRMLS_CC)) {
*is_warning = TRUE;
/* error occured */
strcpy(conn->error_info.sqlstate, UNKNOWN_SQLSTATE);
conn->error_info.error_no =
infile.local_infile_error(info, conn->error_info.error, sizeof(conn->error_info.error) TSRMLS_CC);
/* write empty packet to server */
ret = conn->net->m.send(conn, empty_packet, 0 TSRMLS_CC);
goto infile_error;
}
/* read data */
while ((bufsize = infile.local_infile_read (info, buf + MYSQLND_HEADER_SIZE, buflen - MYSQLND_HEADER_SIZE TSRMLS_CC)) > 0) {
if ((ret = conn->net->m.send(conn, buf, bufsize TSRMLS_CC)) == 0) {
DBG_ERR_FMT("Error during read : %d %s %s", CR_SERVER_LOST, UNKNOWN_SQLSTATE, lost_conn);
SET_CLIENT_ERROR(conn->error_info, CR_SERVER_LOST, UNKNOWN_SQLSTATE, lost_conn);
goto infile_error;
}
}
/* send empty packet for eof */
if ((ret = conn->net->m.send(conn, empty_packet, 0 TSRMLS_CC)) == 0) {
SET_CLIENT_ERROR(conn->error_info, CR_SERVER_LOST, UNKNOWN_SQLSTATE, lost_conn);
goto infile_error;
}
/* error during read occured */
if (bufsize < 0) {
*is_warning = TRUE;
DBG_ERR_FMT("Bufsize < 0, warning, %d %s %s", CR_SERVER_LOST, UNKNOWN_SQLSTATE, lost_conn);
strcpy(conn->error_info.sqlstate, UNKNOWN_SQLSTATE);
conn->error_info.error_no =
infile.local_infile_error(info, conn->error_info.error, sizeof(conn->error_info.error) TSRMLS_CC);
goto infile_error;
}
result = PASS;
infile_error:
/* get response from server and update upsert values */
if (FAIL == conn->m->simple_command_handle_response(conn, PROT_OK_PACKET, FALSE, COM_QUERY, FALSE TSRMLS_CC)) {
result = FAIL;
}
(*conn->infile.local_infile_end)(info TSRMLS_CC);
if (buf) {
mnd_efree(buf);
}
DBG_INF_FMT("%s", result == PASS? "PASS":"FAIL");
DBG_RETURN(result);
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
|
